package 接口;

public class Projector implements Device {
    private String brand;
    public Projector(String brand) {
        this.brand = brand;
    }
    @Override
    public void powerOn() {
        System.out.println(brand + "投影仪开机,正在预热...");
    }
    @Override
    public void powerOff() {
        System.out.println(brand + "投影仪关机,散热中...");
    }

    @Override
    public void powerOFF() {
        System.out.println(brand + "投影仪关机,散热中...");
    }

    @Override
    public void repair() {

    }
}